102 



A GLOSSARY OF TERMS 



MUSSEL BAND. The black shale of 

 coal-mines, containing imbedded 

 mussel-shells. 



MUSTA'CHES. fr. gr. mustax, the up- 

 per lip ; the beard on the upper 

 lip. The beard that is permitted 

 to grow long on the upper lip. 

 The hairs which many animals 

 have growing about the mouth. 



MUSTELA. Lat. A weasel. 



MU'TICOUS. fr. lat. muticus, beard- 

 less. Having no point. 



MUZZLE. That part of the head of 

 the dog, and certain other ani- 

 mals, which comprises the mouth 

 and nose. 



MT'A. fr. gr. mu6n, a muscle. An 

 acephalous mollusk. 



MYCE'LIA. fr. gr. mukes, a mush- 

 room. The rudiments of fungi, 

 or the matter from which fungi 

 are produced. 



MYELENCE'PHALA. fr. gr. muelos, 

 marrow ; egkephalon, the brain. 

 Owen's name for the Vertebrata, 

 of Cuvier, and the Spinicerebruta, 

 of Grant. 



MYELOXEU'RA. fr. gr. muelos, mar- 

 row ; neuron, nerve. A group of 

 animals, having a ganglionio ner- 

 vous system in form of a cord, 

 resembling the spinal marrow of 

 the vertebrata. 



MY'GALE. fr. gr. mugale. a field- 

 mouse. A large kind of spider. 

 (fig. 57, p. 64, Book vi). 



MYOPIA. fr. gr. wws, a mouse; ops, 

 sight. Because mice were sup- 

 posed to be short-sighted. Near- 

 signtedness. 



MYOPO'TAMUS. fr. gr. mus, a rat; 

 potamos, a ri ver. A genus of gna w- 

 ing mammals. 



MYOTHE RA.-^-fr. gr. mtts, a mouse; 

 therad, I hunt, I catch. The sys- 

 tematic name of the ant-catchers. 

 (The word would be better, myr- 

 mothera, from murmex, an ant, and 

 thereto.} 



MYOXUS. fr. gr. mus, a mouse ; oxus, 

 sharp -pointed. A rat with a 

 pointed nose. 



MY'RIAPOD. Of the class my'ria- 

 pod a. 



MY'IIIAPODA. fr: gr. murias, ten 

 thousand ; pous, podos, foot. A 

 class of articulate animals. 



MYRMECO'PHAGA. fr. gr. murmex, an 

 ant; phago, I eat. Ant-eaters. 



M Y'RMOTHERINE. fr. gr. murmex, an 

 ant; therad, to chase. Applied to 

 birds that feed upon ants. 



MYRTA'CEJS. Name of a family of 

 plants. 



M YSTECE'TUS. fr. gr. mustus, a nose ; 

 chaite, a bristle. A name given 

 to a species of cetacea, that has 

 w-halebone. 



MYTJLA'CEA. fr. gr. mytilos, a mus- 

 sel. Name of a family of mol- 

 lusks. 



MY'TILUS. Lat. A mussel. 



MYXINE. fr. gr. muxinos, formed 

 from muzo, I suck. Systematic 

 name of the hag-fish, (p. 127, 

 Book iv). 



NA'CRE. fr. sp. nacar, mother-of- 

 pearl. 



NA'CREOUS. Of the nature of mo- 

 ther-of-pearl. Having a pearl- 

 like lustre. 



NA'GELFLUE. Ger. A coarse con- 

 glomerate. 



NAI'ADKS. A family of fresh-water 

 conchiferous mollusks. 



NAKED. In botany, destitute of 

 parts usually found. 



NAXA. ") fr. gr. nanos, a dwarf. 



NANCS. 5 Dwarfish ; very small. 

 A specific name. 



NAP. Tomentose : downy. 



NA'PIFORM. fr. lat. napus, turnip ; 

 forma, shape. Turnip-shaped. 



NA'PTHA. A limpid bitumen; a 

 thin, fluid, volatile mineral. 



NAHCI'SSE^. Name of a family of 

 plants. 



NARCO'TIC. fr. gr. narke, torpor. 

 Medicines which produce drow- 

 siness, sleep, and stupor, are term- 

 ed narcotics. 



NARES. Lat The nostrils. 



NASAL. fr. lat. nasus, a nose. Be 



